Three Serial Killers from the Old West

Cowboys may have become the icon of the Wild West, but there were plenty of serial killers as well.

When people think about the Wild West era of American history, they usually think of cowboys, dusty towns, and gunslingers shooting it out or living it up in local saloons. Some of the outlaws from the time have gone on to become American folk heroes — Jesse James, Billy the Kids, and Butch Cassidy…